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Chevrolet · Known Issues

2013 Chevrolet Onix Problems: 1 Known Issue

2013 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2013 Chevrolet Onix has 1 documented issue, with 1 rated critical. The most serious is Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014) ($0-$0 repair). DIY maintenance guides at au7o.io.

In This Article

  • Onix Fuel System1
  • FAQ
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In This Article

  • Fuel System1
  • FAQ

All 1 Known Issue

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On the 2013-2014 Chevrolet Onix, in December 2014, GM do Brasil recalled 400,940 vehicles — Chevrolet Onix and Prisma model years 2013-2014, plus Cobalt 2012-2014 and Spin 2013-2014 — because the plastic retaining nut that secures the fuel pump module to the top of the fuel tank could fail to seal properly. In atypical situations such as a rollover, the defect could allow continuous fuel leakage which, in contact with an external ignition source, could start a fire with risk of injury to occupants and third parties. The recall was publicized by Brazil's Ministry of Justice consumer-protection recall alert system. GM stated it had no confirmed fires linked to the defect at the time of the campaign. The free repair (replacement of the retaining nut or, where necessary, the entire fuel tank) takes about one hour.

Common Symptoms

  • Gasoline or ethanol smell near the rear of the car
  • Fuel odor stronger after filling the tank completely
  • Damp spots or fuel stains on top of the tank area
  • Fuel leak visible under the rear of the vehicle

How to Fix

Verify recall completion on any 2013-2014 Onix/Prisma using the chassis number via the Chevrolet Brasil recall portal or a dealer — Brazilian recalls have no expiration date and the fix is free. The service replaces the fuel pump retaining nut (or the fuel tank if sealing surfaces are damaged). Any persistent fuel smell, especially after filling the tank, should be inspected immediately.

Typical repair cost:$0 - $0

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Frequently Asked Questions

What are the most common Chevrolet Onix problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2013 Chevrolet Onix has 1 documented issue. The documented issue is: Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014). Of these, 1 is rated critical and should be addressed promptly.

Is the Chevrolet Onix reliable?

The 2013 Chevrolet Onix has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Chevrolet Onix problems?

Repair costs for known Chevrolet Onix issues range from $0 to $0, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2013-2014 Chevrolet Onix Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014)?

In December 2014, GM do Brasil recalled 400,940 vehicles — Chevrolet Onix and Prisma model years 2013-2014, plus Cobalt 2012-2014 and Spin 2013-2014 — because the plastic retaining nut that secures the fuel pump module to the top of the fuel tank could fail to seal properly. In a… Repairs typically run $0-$0. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.